Head to head
0
Hard
1
0
Clay
1
Kenneth Carlsen's wins on the left · Andy Roddick's on the right · bar lengths share one scale
All meetings (3)
| 2006 | San Jose | Hard | R16 | Andy Roddick | 6-3 1-6 6-3 |
| 2005 | Memphis | Hard | SF | Kenneth Carlsen | W/O |
| 2004 | Houston | Clay | R32 | Andy Roddick | 6-1 7-5 |
Methodology
Head-to-head totals and surface splits exclude walkovers (no match was played), which follows ATP convention — walkover meetings still appear in the match list. The momentum chart plots the running lead across all counted meetings, oldest to newest.